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Table 2 Necrosis rate and apoptotic rate of the RAW264.7 cells under the different treatments

From: A synergistic bactericidal effect of low-frequency and low-intensity ultrasound combined with levofloxacin-loaded PLGA nanoparticles on M. smegmatis in macrophages

Groups N Apoptosis rate Necrosis rate
Control 6 3.30 ± 1.01 2.21 ± 0.21
LEV 6 6.60 ± 1.78* 2.28 ± 0.35
LEV-NPs 6 10.42 ± 0.84*# 4.20 ± 1.04*#
US 6 8.76 ± 0.78* 9.54 ± 0.88*#
LEV + US 6 15.54 ± 1.30*# 7.82 ± 044*#
LEV-NPs + US 6 21.25 ± 1.15*# 8.21 ± 0.66*#
  1. LEV: levofloxacin; LEV-NPs: levofloxacin-loaded PLGA nanoparticles; US: ultrasonic; SD: standard deviation
  2. Compared with the control, *P < 0.05; compared with the LEV, #P < 0.05. Data represent the mean ± SD